add curried_arguments, usable from hashref handles

[gitmo/Moose.git] / lib / Moose / Meta / Method / Delegation.pm

diff --git a/lib/Moose/Meta/Method/Delegation.pm b/lib/Moose/Meta/Method/Delegation.pm
index 15c6d21..2fadd19 100644 (file)
--- a/lib/Moose/Meta/Method/Delegation.pm
+++ b/lib/Moose/Meta/Method/Delegation.pm
@@ -36,6 +36,14 @@ sub new {
         || confess
         'You must supply a delegate_to_method which is a method name or a CODE reference';
 
+    ( !exists $options{curried_arguments} || (
+        $options{curried_arguments} &&
+            ( 'ARRAY' eq ref $options{curried_arguments} )
+        ) ) || confess
+        'You must supply a curried_arguments which is an ARRAY reference';
+
+    $options{curried_arguments} ||= [];
+
     my $self = $class->_new( \%options );
 
     weaken( $self->{'attribute'} );
@@ -52,6 +60,8 @@ sub _new {
     return bless $options, $class;
 }
 
+sub curried_arguments { (shift)->{'curried_arguments'} }
+
 sub associated_attribute { (shift)->{'attribute'} }
 
 sub delegate_to_method { (shift)->{'delegate_to_method'} }
@@ -88,7 +98,8 @@ sub _initialize_body {
             method_name => $method_to_call,
             object      => $instance
             );
-        $proxy->$method_to_call(@_);
+        my @args = (@{ $self->curried_arguments }, @_);
+        $proxy->$method_to_call(@args);
     };
 }
 
@@ -137,12 +148,21 @@ accessor is being generated for. This options is B<required>.
 The method in the associated attribute's value to which we
 delegate. This can be either a method name or a code reference.
 
+=item I<curried_arguments>
+
+An array reference of arguments that will be prepended to the argument list for
+any call to the delegating method.
+
 =back
 
 =item B<< $metamethod->associated_attribute >>
 
 Returns the attribute associated with this method.
 
+=item B<< $metamethod->curried_arguments >>
+
+Return any curried arguments that will be passed to the delegated method.
+
 =item B<< $metamethod->delegate_to_method >>
 
 Returns the method to which this method delegates, as passed to the